Be careful what medications you give to your pets! Look closely at all packaging, and what it may be lacking in information.
The first product was purchased online and shipped to the United States from a foreign country. The packaging says nothing of what the product actually does. Not only are there no guarantees but we are also unsure if it safe for your pet.
The second product pictured is sold by Veterinarians and is guaranteed by the manufacturer to kill fleas and ticks. This product is safe to give to your pet.